7149723336 has 384 divisors, whose sum is σ = 24314976000. Its totient is φ = 1904394240.

The previous prime is 7149723299. The next prime is 7149723341. The reversal of 7149723336 is 6333279417.

It is a happy number.

It is a super-2 number, since 2×7149723336² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 7149723291 and 7149723300.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 73708440 + ... + 73708536.

It is an arithmetic number, because the mean of its divisors is an integer number (63320250).

Almost surely, 2^7149723336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7149723336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12157488000).

7149723336 is an abundant number, since it is smaller than the sum of its proper divisors (17165252664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7149723336 is a wasteful number, since it uses less digits than its factorization.

7149723336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 179 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 7149723336 is about 84556.0366620858. The cubic root of 7149723336 is about 1926.4736754816.

The spelling of 7149723336 in words is "seven billion, one hundred forty-nine million, seven hundred twenty-three thousand, three hundred thirty-six".